frame: pub re-export submodules

Pub re-exported the structs of scylla_cql::frame module
and its submodules that contain any of the symbols that
should be exposed publicly.

This means that the following submodules will be private:
- scylla_cql::frame::request
- scylla_cql::frame::server_event_type

scylla/src/lib.rs

@@ -102,7 +102,16 @@ pub mod macros;
 #[doc(inline)]
 pub use macros::*;
 
-pub use scylla_cql::frame;
+pub mod frame {
+    pub use scylla_cql::frame::{
+        frame_errors, protocol_features, response, types, value, Authenticator, Compression,
+    };
+    pub(crate) use scylla_cql::frame::{
+        parse_response_body_extensions, read_response_frame, request, server_event_type,
+        FrameParams, SerializedRequest,
+    };
+}
+
 pub use scylla_cql::types::serialize;
 
 pub mod authentication;